CN101578396B - Multilayered coated cutting tool - Google Patents
Multilayered coated cutting tool Download PDFInfo
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- CN101578396B CN101578396B CN2007800484455A CN200780048445A CN101578396B CN 101578396 B CN101578396 B CN 101578396B CN 2007800484455 A CN2007800484455 A CN 2007800484455A CN 200780048445 A CN200780048445 A CN 200780048445A CN 101578396 B CN101578396 B CN 101578396B
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- Prior art keywords
- metal nitride
- single metal
- multilayered structure
- nitride layer
- coating
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- 238000005520 cutting process Methods 0.000 title abstract description 13
- 238000000576 coating method Methods 0.000 claims abstract description 41
- 239000011248 coating agent Substances 0.000 claims abstract description 37
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 32
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 25
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 24
- 239000000203 mixture Substances 0.000 claims abstract description 15
- 229910052751 metal Inorganic materials 0.000 claims description 26
- 229910052719 titanium Inorganic materials 0.000 claims description 25
- 239000002184 metal Substances 0.000 claims description 23
- 150000004767 nitrides Chemical class 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 17
- 239000011159 matrix material Substances 0.000 claims description 16
- 238000005516 engineering process Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 239000000758 substrate Substances 0.000 abstract description 2
- 239000010936 titanium Substances 0.000 description 36
- 239000011651 chromium Substances 0.000 description 32
- 239000002356 single layer Substances 0.000 description 19
- 239000010410 layer Substances 0.000 description 15
- 238000005299 abrasion Methods 0.000 description 8
- 238000012360 testing method Methods 0.000 description 7
- 238000003801 milling Methods 0.000 description 6
- 238000012545 processing Methods 0.000 description 6
- 238000003754 machining Methods 0.000 description 5
- 238000005240 physical vapour deposition Methods 0.000 description 5
- 229910052582 BN Inorganic materials 0.000 description 4
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000004411 aluminium Substances 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000005245 sintering Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 229910000760 Hardened steel Inorganic materials 0.000 description 3
- 238000000151 deposition Methods 0.000 description 3
- 210000001951 dura mater Anatomy 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical group [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000010891 electric arc Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 239000002114 nanocomposite Substances 0.000 description 2
- 238000002161 passivation Methods 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 238000005270 abrasive blasting Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000000541 cathodic arc deposition Methods 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000005137 deposition process Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005566 electron beam evaporation Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000001755 magnetron sputter deposition Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000004611 spectroscopical analysis Methods 0.000 description 1
- 239000013077 target material Substances 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
- B23B27/14—Cutting tools of which the bits or tips or cutting inserts are of special material
- B23B27/148—Composition of the cutting inserts
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
- C04B41/5053—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials non-oxide ceramics
- C04B41/5062—Borides, Nitrides or Silicides
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
- C04B41/81—Coating or impregnation
- C04B41/85—Coating or impregnation with inorganic materials
- C04B41/87—Ceramics
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/0635—Carbides
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/0641—Nitrides
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/0664—Carbonitrides
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/04—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings of inorganic non-metallic material
- C23C28/044—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings of inorganic non-metallic material coatings specially adapted for cutting tools or wear applications
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/40—Coatings including alternating layers following a pattern, a periodic or defined repetition
- C23C28/42—Coatings including alternating layers following a pattern, a periodic or defined repetition characterized by the composition of the alternating layers
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C30/00—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process
- C23C30/005—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process on hard metal substrates
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12389—All metal or with adjacent metals having variation in thickness
- Y10T428/12403—Longitudinally smooth and symmetrical
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12632—Four or more distinct components with alternate recurrence of each type component
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
- Y10T428/2495—Thickness [relative or absolute]
- Y10T428/24967—Absolute thicknesses specified
- Y10T428/24975—No layer or component greater than 5 mils thick
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
- Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
- Y10T428/264—Up to 3 mils
- Y10T428/265—1 mil or less
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Structural Engineering (AREA)
- Cutting Tools, Boring Holders, And Turrets (AREA)
- Physical Vapour Deposition (AREA)
- Drilling Tools (AREA)
Abstract
A coated cutting tool is disclosed having a substrate and a coating including an aperiodic, multilayered structure with an average composition of (Ti,Al,Cr,Si)N, wherein the average composition is (Ti(1-a-b-c)AlaCrbSic)N, where 0<a<0.5, preferably 0.05<a<0.4 most preferably 0.25<a<0.3, where 0<b<0.15, preferably 0.02<b<0.10, most preferably 0.04<b<0.08, where 0.01<c<0.17, preferably 0.02<c<0.10, most preferably 0.04<c<0.08, and a+b+c<1, and wherein the average thickness of the individual layers is 0.1 to 100 nm. The coated cutting tool is hard, has a high abradability resistance to the crater and to the flank.
Description
Technical field
The present invention relates to a kind of coated cemented carbide endmill, its floating coat has by (Ti, Al, Cr, Si) the aperiodicity multilayered structure of N composition.
Background technology
The development of cutter recently is towards sharper cutting edge.This requires thinner coating, so that keep the cutting edge of point, because thick coating can cause the sword passivation (edge rounding) to the disadvantageous increase of cutting ability.Because higher interface shearing power, therefore thicker coating also is easier to make the sword line to peel off, and sword is sharper, and then this situation is serious more.If thin coating is deposited, then require the hardness of increase, promptly wear-resistant grinding abrasion property is kept the wear resistance of cutter.
A kind of method that realizes thin hard coat is to use the multi-layer nano composite coating.The common coating ingredients that is used for this multi-layer nano composite coating is (Ti, Al) N.
Another method like the characteristic of hardness and oxidation-resistance that improves the PVD coating is the element through interpolation such as Cr, Si, B.
For the nitride PVD coating that contains Al, well-known, high aluminium content (＞40at%) help obtaining high anti-wear of the tool flank property and oxidation-resistance.But too high aluminium content also causes the crescent hollow abrasion that increases, and this is because the cause that mutually change of AlN from metastable hard cubic to more stable softer hexagonal phase.
The point sword for example is important in the drilling operation at many cutting operations.When the bores are being drilled, not only in cutting edge, to find to have wearing and tearing.Usually, also find noticeable wear at the edge of drill bit.When plan repairing drill bit, when promptly grinding with coating again again, serious edge abrasion goes wrong, because whole worn area all must be removed.Usually, when coated drill again, for coating again at every turn, total coat-thickness increases.The coat-thickness that increases on the edge will increase the wearing and tearing on the edge, and wherein this edge is away from the corner certain distance.Equally, the coat-thickness of increase will increase the sword passivation.Therefore, thinner, more abrasion-resistant coating is very favorable.
On the cutting tool (Ti, Al, Cr, Si) the N coating is known in this area.
EP 1 219 723 A disclose the dura mater that is used for cutting tool, and this dura mater is by Ti
1-a-b-c-dAl
aCr
bSi
cB
d(C
1-eN
e) composition, wherein 0.5＜a＜0.8, b＞0.06,0≤c＜0.1,0≤d＜0.1,0＜c+d＜0.1 and 0.5＜e＜1.This dura mater can be the form of multilayered structure.
US2006/0222893 discloses the laminated coating that comprises multiple layer heap, and it comprises (Al, the Cr) (Ti of N layer and/or at least one 75-200nm of at least one 50-150nm; Si) N layer and (Al, Cr, Ti; Si) N+ (Ti, Si) N+ (Al, Cr; Ti, Si) N+ (Al, Cr) at least one layer heap of N formation.Blended (Al, Cr, Ti, Si) the N layer has multilayered structure, and this obtains through operating all targets (target) simultaneously.This causes coating to have extremely thin layer, in several nanometer range.(Al, Cr, Ti, Si) the N layer has the thickness of 20 ± 10nm.
Summary of the invention
The purpose of this invention is to provide coated cemented carbide endmill with higher anti-crescent hollow abrasion property and higher anti-wear of the tool flank property.
Another object of the present invention provides the coating of the hardness with increase.
Another object of the present invention provides the coating that is suitable for sharp sword.
Another object of the present invention provides the coated drill of the less edge abrasion of experience.
Find surprisingly,, can satisfy these purposes through the multilayer coated coated cemented carbide endmill of the aperiodicity of the with good grounds component of the present invention of apparatus.
Description of drawings
Fig. 1 is illustrated in (Ti, Al, Cr, Si) edge abrasion on the drill bit of N coating of scribbling of boring after 200 holes according to prior art.
Fig. 2 is illustrated in and bores 200 holes afterwards according to of the present invention scribbling (Ti, Al, Cr, Si) edge abrasion on the drill bit of N coating.
Embodiment
According to the present invention; A kind of coated cemented carbide endmill is provided; Comprise stell(ite) matrix and coating that wimet, sintering metal, pottery, cubic boron nitride or rapid steel are processed, this coating comprise have alternative X and Y single metal nitride layer, component is (Ti, Al; Cr, Si) the aperiodicity multilayered structure of N.
Aperiodicity is interpreted as, and it doesn't matter with the thickness that is right after the single layer below it for the thickness of specific single layer in the multilayered structure, and also it doesn't matter with top specific single layer.This multilayered structure does not have any multiple cycle in the sequence of at least 10 continuous single layers.
Multilayered structure means the structure that comprises at least 5 single layers at this.But it can comprise the single layer up to several thousand.
The mean thickness of single layer is greater than 0.1nm, but less than 100nm, is preferably more than 0.5nm, but less than 50nm, most preferably is greater than 1nm, but less than 30nm.The summation of any ten successive layerss is less than 300nm in the multilayered structure.
The total thickness of whole coating be 0.5 μ m to 20 μ m, be preferably 1 μ m to 10 μ m, most preferably be 1 μ m to 5 μ m.
The said multilayered structure that is attached to adhesion matrix or precoating matrix comprises laminated, the aperiodicity multilayered structure of alternative layer X and Y; Wherein single layer X and Y are metal nitrides; Be preferably the polycrystalline metal nitride; Be preferably and have cubic structure, wherein metallic element is selected from titanium (Ti), aluminium (Al), silicon (Si), chromium (Cr) or its mixture.The chemical composition of single layer X and Y differs from one another.
Because the cause of little thickness, under the help that does not have adjacent layers, the component of each single layer is difficult for measured in the multilayered structure.Measurable is average composition on whole multilayered structure.But the component of each single layer can estimate from used target component, but can not provide definite component.When having deposited thicker layer, thickly analyzed to being enough to, show that compare with the component of target material, the component of settled layer can have the difference of percentum.Because this fact, below be that the target component of from deposition process, using is estimated out according to any component of the single layer of multilayered structure of the present invention.
Average chemical composition in the multilayered structure uses EDS (energy dispersive spectrometry) to measure in the coatings cross-section scope.Average composition according to whole multilayered structure of the present invention is (Ti
(1-a-b-c)Al
aCr
bSi
c) N; Wherein 0＜a＜0.5, be preferably 0.05＜a＜0.4, most preferably be 0.25＜a＜0.3; Wherein 0＜b＜0.15, be preferably 0.02＜b＜0.10, most preferably be 0.04＜b＜0.08; Wherein 0.01＜c＜0.17, be preferably 0.02＜c＜0.10, most preferably be 0.04＜c＜0.08, and a+b+c＜1.
In one embodiment of the invention, the matrix precoating is covered with TiN, TiC, TiCN or (Ti, Al) the thin single or multiple lift coating of N, and thickness is preferably 0.05-0.5 μ m between 0.1-1 μ m.
In one embodiment of the invention, the component of single layer X and Y can be (Al, Cr) N, (Ti, Si) N, (Al, Ti, Si) N, TiN, (Al, Si) N and (Al, Ti, Cr, Si) any among the N.
In one embodiment of the invention, coating comprises alternative (Al, Cr) N and (Ti, Si) multilayered structure of the single layer of N.
In one embodiment of the invention, matrix is the cutting tool insert that wimet, sintering metal, pottery or cubic boron nitride are processed.
In one embodiment of the invention, matrix is drill bit or the end mill that wimet or rapid steel are processed.
The invention still further relates to a kind of method of making coated cemented carbide endmill.This method may further comprise the steps: the stell(ite) matrix that provides wimet, sintering metal, pottery or cubic boron nitride or rapid steel to process, coating is passed through the PVD deposition techniques to said matrix, and this coating comprises the aperiodicity multilayered structure.
Can be selected from target that the element of titanium (Ti), aluminium (Al), silicon (Si), chromium (Cr) or its alloy processes at N through use
2Or blended N
2Deposited coatings in the+Ar atmosphere.
The component of the metallic element in the target can be different from the average composition of metallic element in the whole multilayered structure, and still forms the coating in the scope of the invention.
In one embodiment of the invention, target be (Al, Cr), (Ti, Si), (Al, Ti, Si), Ti, (Al, Si), (Al, Ti, Cr, any in Si).
In one embodiment of the invention, target be (Al, Cr) with (Ti, Si).
The coating that comprises multilayered structure can deposit through different PVD technology and through alternately forming single layer.The non-periodic sequence of the thickness of single layer can be through from single layer target open and close flashboard (shutter) at random, perhaps processes through the said target of open and close at random.Another method that can expect is through rotating at random in said target front or mobile matrix to be coated.This preferably accomplishes through matrix being placed on 3 Wei Xuanzhuanjititai that arrange for the acquisition aperiodic structure.3 dimension rotations can be regulated with respect to speed of rotation and sense of rotation clockwise or counterclockwise.
Multilayered structure deposits in such a way, that is: makes the mean thickness of single layer greater than 0.1nm, but, is preferably more than 0.5nm, but, most preferably be greater than 1nm less than 50nm less than 100nm, but less than 30nm.In the multilayered structure any 10 successive layerss and less than 300nm.
The thickness of whole coating be 0.5 μ m to 20 μ m, be preferably 1 μ m to 10 μ m, most preferably be 1 μ m to 5 μ m.
The average composition of the whole multilayered structure of processing according to the inventive method is (Ti
(1-a-b-c)Al
aCr
bSi
c) N; Wherein 0＜a＜0.5, be preferably 0.05＜a＜0.4, most preferably be 0.25＜a＜0.3; Wherein 0＜b＜0.15, be preferably 0.02＜b＜0.10, most preferably be 0.04＜b＜0.08; Wherein 0.01＜c＜0.17, be preferably 0.02＜c＜0.10, most preferably be 0.04＜c＜0.08, and a+b+c＜1.
Most of PVD technology can be used for according to the method for the invention, preferably make deposited by electron beam evaporation, magnetron sputtering or cathodic arc deposition or its combination.
In one embodiment of the invention, the matrix that uses in present method is the cutting tool insert that wimet, sintering metal, pottery or cubic boron nitride are processed.
In one embodiment of the invention, the matrix that uses in present method is drill bit or the end mill that wimet or rapid steel are processed.
Example 1 (the present invention)
The bulb solid-end mill of the drill bit of diameter 8mm, diameter 10mm and indexable insert tip, throw away tip are processed by the hard alloy substrate of the component of Co with 10wt% and surplus WC.These three kinds of dissimilar cutters all use cathodic arc evaporation to be coated with aperiodicity multilayer (Ti, Al, Cr, Si) N coating.Coat-thickness is adjusted to and is suitable for concrete cutter and application thereof.The two pair electric arc target depositions of multilayered structure from being made up of two kinds of different chemical components, wherein tool setting is on 3 Wei Xuanzhuanjititai that arrange for the acquisition aperiodic structure.At Ar+N
2Carry out arc evaporation in the atmosphere.After the deposition, the coating on the drill bit stands wet abrasive blasting and handles.
In the component of the target of electric arc shown in the table 1, in the average composition of the coating of using EDS to measure on the coatings cross-section and at the coat-thickness that uses each cutter of optical microscope measuring on the periphery of drill bit and end mill and on the back knife face at said blade.
Multilayered structure has aperiodicity, i.e. the sequence of the single layer of the thickness of non-repeatability.The cross-sectional transmission electron microscope investigation discloses, and single nitride layer thickness is from 1nm to 30nm, and the overall number in each layer system middle level surpasses 100.
Table 1
| Cutter | Target 1 | Target 2 | Average chemical composition | Thickness [μ m] |
| Drill bit | Al 0.70Cr 0.30 | Ti 0.90Si 0.10 | Ti 0.53Al 0.29Si 0.06Cr 0.06 | ?3.3 |
| End mill | Al 0.70Cr 0.30 | Ti 0.90Si 0.10 | Ti 0.53Al 0.29Si 0.06Cr 0.06 | ?3.3 |
| Blade | Al 0.70Cr 0.30 | Ti 0.90Si 0.10 | Ti 0.53Al 0.29Si 0.06Cr 0.06 | ?3.0 |
Example 2 (reference)
In order to contrast, be coated different commercial coat with the shape matrix identical in the example 1 with component.
Table 2
*Produce according to US 2006/0222893
Example 3
To compare according to example 1 drill bit of processing and the drill bit of processing according to example 2.In following machining condition, two drill bits of every kind of bite type of test in the bottom hole operation:
Workpiece material: SS2541-03 (34CrNiMo6)
Operation: boring
V
c[m/ minute]: 100
Speed of feed [mm/ commentaries on classics]: 0.15
A, hole depth [mm]: 20
Inner cooling: be
Can see the result below.The result is the mean number of twice test.The cutter life standard is wear of the tool flank V
b=0.3mm, rake wear/peel off k
b=0.5mm, fracture or long bits (longchip).
Table 3
| Bite type No. | Hole count |
| The present invention | 1550 |
| Commercial 1 | 525 |
| Commercial 2 | 600 |
| Commercial 3 | 1010 |
Example 4
The drill bit that to process according to example 1 and the drill bit contrast of processing according to example 2.In following machining condition, 3 drill bits of every kind of bite type of test in drilling through hole operation:
Workpiece material: SS2244-05 (42CrMo4)
Operation: boring
V
c[m/ minute]: 70
Speed of feed [mm/ commentaries on classics]: 0.15
A, hole depth [mm]: 18
Inner cooling: be
Can see the result below.The result is the mean number of three tests.The cutter life standard is wear of the tool flank V
b=0.3mm, rake wear or peel off k
b=0.5mm, fracture or long bits.
Table 4
| Bite type No. | Hole count |
| The present invention | 1300 |
| Commercial 1 | 200 |
| Commercial 2 | 700 |
| Commercial 3 | 573 |
Example 5
The bulb solid-end mill, diameter 10mm is used for the hardened steel that machining is processed according to example 1, and compares with the bulb solid-end mill of processing according to example 2.In following machining condition, under milling machine operation, test two end mills of every type:
Workpiece material: 1.237952HRC, hardened steel
Operation: profile milling
a
e[mm]：0.2
a
p[mm]：0.2
V
c[m/ minute]: 196
Fz, [mm/ tooth]: 0.127
Refrigerant: pressurized air
Can see the result below.The cutter life standard is average flank wear V
bBe 0.15mm, or maximum flank wear V
B, maxBe 0.20mm.
Table 5
| End mill | Milling distance (m) |
| The present invention | 720 |
| Commercial 1 | 450 |
Example 6
The indexable insert tip, throw away tip that to process according to example 1 and the indexable insert tip, throw away tip of processing according to example 2 compare.In following machining condition, under milling machine operation, test two indexable insert tip, throw away tips of every type:
Workpiece material: Dievar 47HRC, hardened steel
Operation: milling
V
c[m/ minute]: 120
a
e，[mm]：2.0
a
p，[mm]：4.0
f
z, [mm/ tooth]: 0.12
Can see the result below.The result is the mean number of twice test.The cutter life standard is V
bBe 0.2mm, perhaps break or notch wear, notching is 0.30mm.
Table 6
| Blade No. | Milling distance (m) |
| The present invention | 40.25 |
| Commercial 4 | 13.1 |
Claims (10)
1. coated cemented carbide endmill; Comprise matrix and coating; Said coating comprises single metal nitride layer X and Y alternative aperiodicity multilayered structure; It doesn't matter and also it doesn't matter with top specific single metal nitride layer with the thickness that is right after the single metal nitride layer below it for the thickness of wherein specific single metal nitride layer; Said multilayered structure comprises that at least 5 single metal nitride layers and said multilayered structure do not have the cycle of any multiple at least in the sequence of 10 continuous single metal nitride layers, is characterized in that the average composition of said coating is (Ti
(1-a-b-c)Al
aCr
bSi
c) N, wherein 0＜a＜0.5,0＜b＜0.15,0.01＜c＜0.17 and a+b+c＜1.
2. coated cemented carbide endmill according to claim 1 is characterized in that, the mean thickness of single metal nitride layer is that 0.1nm is to 100nm.
3. according to each described coated cemented carbide endmill in the aforementioned claim, it is characterized in that 0.05＜a＜0.4,0.02＜b＜0.10 and 0.02＜c＜0.10.
4. coated cemented carbide endmill according to claim 1 and 2 is characterized in that, said multilayered structure comprises alternative (Ti, Si) N and (Al, Cr) the single metal nitride layer of N.
5. coated cemented carbide endmill according to claim 3 is characterized in that, said multilayered structure comprises alternative (Ti, Si) N and (Al, Cr) the single metal nitride layer of N.
6. method of making coated cemented carbide endmill; Comprise matrix is provided; Through PVD technology deposited coatings on said matrix; Said coating comprises single metal nitride layer X and Y alternative aperiodicity multilayered structure; It doesn't matter and also it doesn't matter with top specific single metal nitride layer with the thickness that is right after the single metal nitride layer below it for the thickness of wherein specific single metal nitride layer; Said multilayered structure comprises that at least 5 single metal nitride layers and said multilayered structure do not have the cycle of any multiple at least in the sequence of 10 continuous single metal nitride layers, is characterized in that the average composition of said multilayered structure is (Ti
(1-a-b-c)Al
aCr
bSi
c) N, wherein 0＜a＜0.5,0＜b＜0.15,0.01＜c＜0.17 and a+b+c＜1.
7. method according to claim 6 is characterized in that, the mean thickness of single metal nitride layer is that 0.1nm is to 100nm.
8. according to each described method in the claim 6 and 7, it is characterized in that 0.05＜a＜0.4,0.02＜b＜0.10 and 0.02＜c＜0.10.
9. according to claim 6 or 7 described methods, it is characterized in that (Ti is Si) with (Al, Cr) target deposits said multilayered structure through using.
10. method according to claim 8 is characterized in that, (Ti is Si) with (Al, Cr) target deposits said multilayered structure through using.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE0602814A SE0602814L (en) | 2006-12-27 | 2006-12-27 | Cutting tool with multilayer coating |
| SE0602814-6 | 2006-12-27 | ||
| SE06028146 | 2006-12-27 | ||
| PCT/SE2007/051010 WO2008079088A2 (en) | 2006-12-27 | 2007-12-14 | Multilayered coated cutting tool |
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|---|---|
| CN101578396A CN101578396A (en) | 2009-11-11 |
| CN101578396B true CN101578396B (en) | 2012-05-09 |
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| CN2007800484455A Active CN101578396B (en) | 2006-12-27 | 2007-12-14 | Multilayered coated cutting tool |
| CN2007101605961A Active CN101209611B (en) | 2006-12-27 | 2007-12-27 | Multilayered coated cutting tool |
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|---|---|
| US (2) | US8227098B2 (en) |
| EP (2) | EP1939327B1 (en) |
| JP (2) | JP5406041B2 (en) |
| KR (2) | KR101465278B1 (en) |
| CN (2) | CN101578396B (en) |
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| WO (1) | WO2008079088A2 (en) |
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2007
- 2007-12-07 EP EP07122622.9A patent/EP1939327B1/en active Active
- 2007-12-14 WO PCT/SE2007/051010 patent/WO2008079088A2/en active Application Filing
- 2007-12-14 JP JP2009543987A patent/JP5406041B2/en active Active
- 2007-12-14 EP EP07123266.4A patent/EP1939328B1/en active Active
- 2007-12-14 KR KR1020097013256A patent/KR101465278B1/en active IP Right Grant
- 2007-12-14 CN CN2007800484455A patent/CN101578396B/en active Active
- 2007-12-21 US US12/003,378 patent/US8227098B2/en active Active
- 2007-12-21 US US12/003,337 patent/US8119262B2/en active Active
- 2007-12-26 JP JP2007334294A patent/JP4874947B2/en active Active
- 2007-12-27 KR KR1020070138782A patent/KR101520962B1/en active IP Right Grant
- 2007-12-27 CN CN2007101605961A patent/CN101209611B/en active Active
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| JP2003175405A (en) * | 2001-12-11 | 2003-06-24 | Mitsubishi Materials Corp | Surface-coated cemented-carbide cutting tool having hard coating layer exhibiting excellent heat resistance |
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Also Published As
| Publication number | Publication date |
|---|---|
| JP5406041B2 (en) | 2014-02-05 |
| EP1939327A1 (en) | 2008-07-02 |
| CN101578396A (en) | 2009-11-11 |
| US8119262B2 (en) | 2012-02-21 |
| US8227098B2 (en) | 2012-07-24 |
| JP2008162009A (en) | 2008-07-17 |
| EP1939328B1 (en) | 2018-02-21 |
| JP2010514578A (en) | 2010-05-06 |
| JP4874947B2 (en) | 2012-02-15 |
| SE0602814L (en) | 2008-06-28 |
| CN101209611A (en) | 2008-07-02 |
| WO2008079088A3 (en) | 2008-08-14 |
| WO2008079088A2 (en) | 2008-07-03 |
| CN101209611B (en) | 2012-12-05 |
| KR101465278B1 (en) | 2014-11-26 |
| KR20080061323A (en) | 2008-07-02 |
| EP1939327B1 (en) | 2018-06-27 |
| US20080166583A1 (en) | 2008-07-10 |
| US20080166588A1 (en) | 2008-07-10 |
| KR101520962B1 (en) | 2015-05-15 |
| KR20090094108A (en) | 2009-09-03 |
| EP1939328A1 (en) | 2008-07-02 |
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